Systemic nf-κB activation in a transgenic mouse model of acute pancreatitis

Keith Gray, Misho O. Simovic, William C. Chapman, Timothy S. Blackwell, John W. Christman, M. Kay Washington, Fiona E. Yull, Nada Jaffal, E. Duco Jansen, Shiva Gautman, Steven C. Stain

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Abstract

Background. Transcription factor NF-κB has been implicated in numerous human inflammatory diseases. Acute pancreatitis can result in remote tissue injury, but the involved mechanisms are unknown. This study evaluates the role of systemic NF-κB activation in the pathogenesis of lung inflammation in a transgenic pancreatitis model. Materials and methods. Using transgenic mice expressing photinus luciferase controlled by an NF-κB-dependent promoter, luciferase activity was measured in pancreas, liver, and lung tissues as a surrogate marker of NF-κB activity. Luciferase activity was measured by in vivo bioluminescence and correlated to an in vitro luciferase assay of organ homogenates. Following measurement of luciferase activity in uninjured animals, these animals were fed a choline-deficient, ethionine supplemented diet for 48 h to induce pancreatitis, and luciferase activity was then measured at 48, 60, 72, and 96 h. Lung inflammation was determined by total nucleated cell counts in bronchoalveolar lavage (BAL) fluid. Results. Bioluminescence detected increased luciferase activity over the upper abdominal region at 48 and 60 h (P < 0.05), and over the thorax at 60 and 72 h (P < 0.05). Luciferase assays showed significantly increased luciferase activity in both liver and lung tissue at 48 (liver = P < 0.005, lung = P < 0.05) and 60 h (liver = P < 0.05, lung = P < 0.05) compared to activity in uninjured controls. Total nucleated cell counts in BAL fluid were significantly increased at 72 h (P < 0.05) compared with controls. Conclusion. In this model, NF-κB binding activity is increased in the liver and lung. These data suggest that the liver modulates pancreatitis-induced systemic inflammatory response syndrome (SIRS) and suggest strategies to reduce multisystem injury.

Original languageEnglish (US)
Pages (from-to)310-314
Number of pages5
JournalJournal of Surgical Research
Volume110
Issue number1
DOIs
StatePublished - Jan 1 2003
Externally publishedYes

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Luciferases
Pancreatitis
Transgenic Mice
Liver
Lung
Bronchoalveolar Lavage Fluid
Pneumonia
Cell Count
Ethionine
Systemic Inflammatory Response Syndrome
Wounds and Injuries
Choline
Pancreas
Transcription Factors
Thorax
Biomarkers
Diet

All Science Journal Classification (ASJC) codes

  • Surgery

Cite this

Gray, K., Simovic, M. O., Chapman, W. C., Blackwell, T. S., Christman, J. W., Washington, M. K., ... Stain, S. C. (2003). Systemic nf-κB activation in a transgenic mouse model of acute pancreatitis. Journal of Surgical Research, 110(1), 310-314. https://doi.org/10.1016/S0022-4804(03)00024-6

Systemic nf-κB activation in a transgenic mouse model of acute pancreatitis. / Gray, Keith; Simovic, Misho O.; Chapman, William C.; Blackwell, Timothy S.; Christman, John W.; Washington, M. Kay; Yull, Fiona E.; Jaffal, Nada; Jansen, E. Duco; Gautman, Shiva; Stain, Steven C.

In: Journal of Surgical Research, Vol. 110, No. 1, 01.01.2003, p. 310-314.

Research output: Contribution to journalArticle

Gray, K, Simovic, MO, Chapman, WC, Blackwell, TS, Christman, JW, Washington, MK, Yull, FE, Jaffal, N, Jansen, ED, Gautman, S & Stain, SC 2003, 'Systemic nf-κB activation in a transgenic mouse model of acute pancreatitis', Journal of Surgical Research, vol. 110, no. 1, pp. 310-314. https://doi.org/10.1016/S0022-4804(03)00024-6
Gray K, Simovic MO, Chapman WC, Blackwell TS, Christman JW, Washington MK et al. Systemic nf-κB activation in a transgenic mouse model of acute pancreatitis. Journal of Surgical Research. 2003 Jan 1;110(1):310-314. https://doi.org/10.1016/S0022-4804(03)00024-6
Gray, Keith ; Simovic, Misho O. ; Chapman, William C. ; Blackwell, Timothy S. ; Christman, John W. ; Washington, M. Kay ; Yull, Fiona E. ; Jaffal, Nada ; Jansen, E. Duco ; Gautman, Shiva ; Stain, Steven C. / Systemic nf-κB activation in a transgenic mouse model of acute pancreatitis. In: Journal of Surgical Research. 2003 ; Vol. 110, No. 1. pp. 310-314.
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abstract = "Background. Transcription factor NF-κB has been implicated in numerous human inflammatory diseases. Acute pancreatitis can result in remote tissue injury, but the involved mechanisms are unknown. This study evaluates the role of systemic NF-κB activation in the pathogenesis of lung inflammation in a transgenic pancreatitis model. Materials and methods. Using transgenic mice expressing photinus luciferase controlled by an NF-κB-dependent promoter, luciferase activity was measured in pancreas, liver, and lung tissues as a surrogate marker of NF-κB activity. Luciferase activity was measured by in vivo bioluminescence and correlated to an in vitro luciferase assay of organ homogenates. Following measurement of luciferase activity in uninjured animals, these animals were fed a choline-deficient, ethionine supplemented diet for 48 h to induce pancreatitis, and luciferase activity was then measured at 48, 60, 72, and 96 h. Lung inflammation was determined by total nucleated cell counts in bronchoalveolar lavage (BAL) fluid. Results. Bioluminescence detected increased luciferase activity over the upper abdominal region at 48 and 60 h (P < 0.05), and over the thorax at 60 and 72 h (P < 0.05). Luciferase assays showed significantly increased luciferase activity in both liver and lung tissue at 48 (liver = P < 0.005, lung = P < 0.05) and 60 h (liver = P < 0.05, lung = P < 0.05) compared to activity in uninjured controls. Total nucleated cell counts in BAL fluid were significantly increased at 72 h (P < 0.05) compared with controls. Conclusion. In this model, NF-κB binding activity is increased in the liver and lung. These data suggest that the liver modulates pancreatitis-induced systemic inflammatory response syndrome (SIRS) and suggest strategies to reduce multisystem injury.",
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AU - Gray, Keith

AU - Simovic, Misho O.

AU - Chapman, William C.

AU - Blackwell, Timothy S.

AU - Christman, John W.

AU - Washington, M. Kay

AU - Yull, Fiona E.

AU - Jaffal, Nada

AU - Jansen, E. Duco

AU - Gautman, Shiva

AU - Stain, Steven C.

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N2 - Background. Transcription factor NF-κB has been implicated in numerous human inflammatory diseases. Acute pancreatitis can result in remote tissue injury, but the involved mechanisms are unknown. This study evaluates the role of systemic NF-κB activation in the pathogenesis of lung inflammation in a transgenic pancreatitis model. Materials and methods. Using transgenic mice expressing photinus luciferase controlled by an NF-κB-dependent promoter, luciferase activity was measured in pancreas, liver, and lung tissues as a surrogate marker of NF-κB activity. Luciferase activity was measured by in vivo bioluminescence and correlated to an in vitro luciferase assay of organ homogenates. Following measurement of luciferase activity in uninjured animals, these animals were fed a choline-deficient, ethionine supplemented diet for 48 h to induce pancreatitis, and luciferase activity was then measured at 48, 60, 72, and 96 h. Lung inflammation was determined by total nucleated cell counts in bronchoalveolar lavage (BAL) fluid. Results. Bioluminescence detected increased luciferase activity over the upper abdominal region at 48 and 60 h (P < 0.05), and over the thorax at 60 and 72 h (P < 0.05). Luciferase assays showed significantly increased luciferase activity in both liver and lung tissue at 48 (liver = P < 0.005, lung = P < 0.05) and 60 h (liver = P < 0.05, lung = P < 0.05) compared to activity in uninjured controls. Total nucleated cell counts in BAL fluid were significantly increased at 72 h (P < 0.05) compared with controls. Conclusion. In this model, NF-κB binding activity is increased in the liver and lung. These data suggest that the liver modulates pancreatitis-induced systemic inflammatory response syndrome (SIRS) and suggest strategies to reduce multisystem injury.

AB - Background. Transcription factor NF-κB has been implicated in numerous human inflammatory diseases. Acute pancreatitis can result in remote tissue injury, but the involved mechanisms are unknown. This study evaluates the role of systemic NF-κB activation in the pathogenesis of lung inflammation in a transgenic pancreatitis model. Materials and methods. Using transgenic mice expressing photinus luciferase controlled by an NF-κB-dependent promoter, luciferase activity was measured in pancreas, liver, and lung tissues as a surrogate marker of NF-κB activity. Luciferase activity was measured by in vivo bioluminescence and correlated to an in vitro luciferase assay of organ homogenates. Following measurement of luciferase activity in uninjured animals, these animals were fed a choline-deficient, ethionine supplemented diet for 48 h to induce pancreatitis, and luciferase activity was then measured at 48, 60, 72, and 96 h. Lung inflammation was determined by total nucleated cell counts in bronchoalveolar lavage (BAL) fluid. Results. Bioluminescence detected increased luciferase activity over the upper abdominal region at 48 and 60 h (P < 0.05), and over the thorax at 60 and 72 h (P < 0.05). Luciferase assays showed significantly increased luciferase activity in both liver and lung tissue at 48 (liver = P < 0.005, lung = P < 0.05) and 60 h (liver = P < 0.05, lung = P < 0.05) compared to activity in uninjured controls. Total nucleated cell counts in BAL fluid were significantly increased at 72 h (P < 0.05) compared with controls. Conclusion. In this model, NF-κB binding activity is increased in the liver and lung. These data suggest that the liver modulates pancreatitis-induced systemic inflammatory response syndrome (SIRS) and suggest strategies to reduce multisystem injury.

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